Terminal Setup

The terminal stack consists of Ghostty, tmux, and sesh for a powerful, GPU-accelerated terminal experience.

Ghostty

Ghostty is a fast, GPU-accelerated terminal emulator written in Zig.

Configuration

# ghostty/.config/ghostty/config
font-family = "Hack Nerd Font"
font-size = 14

theme = catppuccin-mocha

window-padding-x = 10
window-padding-y = 10

cursor-style = block
cursor-style-blink = false

copy-on-select = true

Features

• GPU Accelerated - Uses native graphics APIs
• Sub-millisecond latency - Feels instant
• Native macOS - Integrates with system features
• Ligature support - Beautiful code fonts

tmux

tmux is a terminal multiplexer for managing sessions, windows, and panes.

Key Bindings

Prefix key is Ctrl+a (remapped from default Ctrl+b).

Key	Action
Ctrl+a c	New window
Ctrl+a n	Next window
Ctrl+a p	Previous window
Ctrl+a ,	Rename window
Ctrl+a &	Kill window
Ctrl+a |	Split vertical
Ctrl+a -	Split horizontal
Ctrl+a h/j/k/l	Navigate panes
Ctrl+a H/J/K/L	Resize panes
Ctrl+a z	Zoom pane
Ctrl+a d	Detach session
Ctrl+a s	List sessions

Configuration

# tmux/.tmux.conf

# Remap prefix
unbind C-b
set -g prefix C-a
bind C-a send-prefix

# Start windows and panes at 1
set -g base-index 1
setw -g pane-base-index 1

# Enable mouse
set -g mouse on

# Vi mode
setw -g mode-keys vi

# True color support
set -g default-terminal "tmux-256color"
set -ag terminal-overrides ",xterm-256color:RGB"

# Faster escape time
set -sg escape-time 0

# Increase history
set -g history-limit 50000

Plugins

Managed by TPM:

Plugin	Purpose
tmux-sensible	Sensible defaults
tmux-resurrect	Save/restore sessions
tmux-continuum	Auto-save sessions
catppuccin/tmux	Catppuccin theme

Install plugins with Ctrl+a I.

sesh

sesh is a smart tmux session manager.

Usage

# Interactive session picker
sesh connect

# Connect to specific session
sesh connect myproject

# List sessions
sesh list

Keybinding

Press Ctrl+a T to open the sesh picker:

# In .tmux.conf
bind-key T run-shell "sesh connect $(sesh list | fzf)"

Configuration

# sesh/.config/sesh/sesh.toml
[[session]]
name = "dotfiles"
path = "~/dotfiles"
startup_command = "nvim"

[[session]]
name = "projects"
path = "~/Codes"

Workflow

Starting a New Session

# Start tmux with sesh
sesh connect myproject

# Or manually
tmux new -s myproject

Typical Layout

┌─────────────────────────────────────────┐
│ 1:editor │ 2:terminal │ 3:git │ 4:logs │ ← Windows
├─────────────────────────────────────────┤
│                                         │
│              Neovim                      │
│                                         │
├────────────────────┬────────────────────┤
│    Terminal 1      │    Terminal 2      │ ← Panes
└────────────────────┴────────────────────┘

Session Persistence

Sessions are automatically saved every 15 minutes by tmux-continuum.

Restore on tmux start:

# Sessions restored automatically
tmux

Tips

Copy Mode

Enter copy mode with Ctrl+a [:

Key	Action
v	Begin selection
y	Copy selection
q	Exit copy mode
/	Search forward
?	Search backward

Quick Navigation

# Switch sessions
Ctrl+a s    # List and select

# Switch windows
Ctrl+a 1-9  # By number
Ctrl+a n/p  # Next/previous

# Switch panes
Ctrl+a h/j/k/l  # Vim-style

Synchronize Panes

Run the same command in all panes:

Ctrl+a :setw synchronize-panes on